AM_Sanidine
Formula:
(Si3 Al) K O8
Name:
Sanidine
Unit cell:
8.539 13.015 7.179 90.0 115.99 90.0 , V=717.15
Space group:
C12/M1 (12)
Phillips M W , Ribbe P H , American Mineralogist , 58 (1973) p.263-270, The structures of monoclinic potassium-rich feldspars